Make $x$x the subject of the following equation:
$y=\frac{x}{4}$y=x4
$y=x+z$y=x+z
Make $m$m the subject of the following equation:
$\frac{m}{y}=gh$my=gh
Make $R$R the subject of $V=IR-E$V=IR−E.
Multiplication and division of algebraic exp.(Coefficient should be integers)